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2017 ; 40
(3
): 383-390
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gab.com Text
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English Wikipedia
Circulating Modified Metabolites and a Risk of ESRD in Patients With Type 1
Diabetes and Chronic Kidney Disease
#MMPMID28087576
Niewczas MA
; Mathew AV
; Croall S
; Byun J
; Major M
; Sabisetti VS
; Smiles A
; Bonventre JV
; Pennathur S
; Krolewski AS
Diabetes Care
2017[Mar]; 40
(3
): 383-390
PMID28087576
show ga
OBJECTIVE: Patients with type 1 diabetes (T1D) with impaired renal function are
at increased risk for end-stage renal disease (ESRD). Although the rate of
progression varies, determinants and mechanisms of this variation are unknown.
RESEARCH DESIGN AND METHODS: We examined serum metabolomic profiles associated
with variation in renal function decline in participants with T1D (the Joslin
Kidney Study prospective cohort). One hundred fifty-eight patients with
proteinuria and chronic kidney disease stage 3 were followed for a median of 11
years to determine estimated glomerular filtration rate slopes from serial
measurements of serum creatinine and to ascertain time to onset of ESRD. Baseline
serum samples were subjected to global metabolomic profiling. RESULTS: One
hundred ten amino acids and purine and pyrimidine metabolites were detected in at
least 80% of participants. Serum levels of seven modified metabolites
(C-glycosyltryptophan, pseudouridine, O-sulfotyrosine, N-acetylthreonine,
N-acetylserine, N6-carbamoylthreonyladenosine, and N6-acetyllysine) were
associated with renal function decline and time to ESRD (P < 0.001) independent
of the relevant clinical covariates. The significant metabolites correlated with
one another and with the indices of tubular injury. CONCLUSIONS: This prospective
cohort study in participants with T1D, proteinuria, and impaired renal function
at baseline demonstrated that patients with increased circulating levels of
certain modified metabolites experience faster renal function decline, leading to
ESRD. Whether some of these candidate metabolites are risk factors or just
prognostic biomarkers of progression to ESRD in T1D needs to be determined.
|Adult
[MESH]
|Creatinine/blood
[MESH]
|Diabetes Mellitus, Type 1/*blood/complications
[MESH]